{"id":19616,"date":"2024-01-04T03:43:59","date_gmt":"2024-01-04T03:43:59","guid":{"rendered":"http:\/\/dgbellvietnam.com\/lithium-battery-pack-thermal-test\/"},"modified":"2024-10-21T15:39:09","modified_gmt":"2024-10-21T08:39:09","slug":"lithium-battery-pack-thermal-test","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/lithium-battery-pack-thermal-test\/","title":{"rendered":"Th\u1eed nghi\u1ec7m nhi\u1ec7t pack pin Lithium"},"content":{"rendered":"
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Pack pin l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a xe \u0111i\u1ec7n, cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a xe v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a xe \u0111i\u1ec7n. C\u00f3 hi\u1ec7u su\u1ea5t an to\u00e0n \u0111\u00e1ng tin c\u1eady l\u00e0 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n \u0111\u1ed1i v\u1edbi pin \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong xe \u0111i\u1ec7n. Trong qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 x\u1ea3 pin, c\u00e1c \u1ee9ng su\u1ea5t kh\u00e1c nhau \u0111\u01b0\u1ee3c t\u1ea1o ra do c\u00e1c ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a k\u00e8m theo m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn. \u0110\u1eb7c bi\u1ec7t l\u00e0 khi d\u00f2ng \u0111i\u1ec7n s\u1ea1c v\u00e0 x\u1ea3 qu\u00e1 l\u1edbn, d\u1ec5 t\u1ea1o ra hi\u1ec7u \u1ee9ng ph\u00e2n c\u1ef1c, khi\u1ebfn \u0111i\u1ec7n \u00e1p pin cao m\u1ed9t c\u00e1ch gi\u1ea3 t\u1ea1o, \u0111\u1ed3ng th\u1eddi, nhi\u1ec7t l\u01b0\u1ee3ng t\u1ecfa ra s\u1ebd t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3 v\u00e0 hi\u1ec7u \u1ee9ng nhi\u1ec7t s\u1ebd \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng. Nhi\u1ec7t l\u01b0\u1ee3ng b\u00ean trong pin t\u0103ng nhanh s\u1ebd g\u00e2y ra thi\u1ec7t h\u1ea1i kh\u00f4ng th\u1ec3 ph\u1ee5c h\u1ed3i cho c\u00e1c ion ho\u1ea1t ch\u1ea5t b\u00ean trong pin, \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a pin v\u00e0 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 tu\u1ed5i th\u1ecd c\u1ee7a pin. Do \u0111\u00f3, vi\u1ec7c ph\u00e2n t\u00edch c\u00e1c \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a pack pin c\u00f3 \u00edch cho vi\u1ec7c s\u1eed d\u1ee5ng an to\u00e0n c\u1ee7a xe \u0111i\u1ec7n.<\/span><\/p>\n

1 M\u00f4 ph\u1ecfng pack pin<\/span><\/strong><\/span><\/h1>\n

\u0110i\u1ec7n tr\u1edf trong c\u1ee7a m\u1ed9t pack pin lithium s\u1eaft phosphate \u0111\u01a1n cho xe \u0111i\u1ec7n l\u00e0 7 m\u03a9, dung l\u01b0\u1ee3ng c\u1ee7a pin l\u00e0 10 A \u2022 h, \u0111i\u1ec7n \u00e1p ng\u1eaft s\u1ea1c l\u00e0 4,23 V v\u00e0 chi\u1ec1u d\u00e0i, chi\u1ec1u r\u1ed9ng v\u00e0 chi\u1ec1u cao c\u1ee7a pin \u0111\u01a1n c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 0,27 kg l\u1ea7n l\u01b0\u1ee3t l\u00e0 65 mm, 22 mm v\u00e0 104 mm; B\u00e1n k\u00ednh c\u1ee7a c\u1ef1c l\u00e0 2,25 mm v\u00e0 chi\u1ec1u cao l\u00e0 6,00 mm. Pack pin g\u1ed3m b\u1ed1n pin song song v\u00e0 m\u01b0\u1eddi hai pin n\u1ed1i ti\u1ebfp. T\u1ed5ng d\u00f2ng \u0111i\u1ec7n x\u1ea3 \u1edf t\u1ed1c \u0111\u1ed9 1 C l\u00e0 40 A v\u00e0 d\u00f2ng \u0111i\u1ec7n th\u1ef1c t\u1ebf qua m\u1ed9t pin \u0111\u01a1n l\u00e0 10 A. Thi\u1ebft l\u1eadp m\u00f4 h\u00ecnh nhi\u1ec7t c\u1ee7a pack pin b\u1eb1ng ANSYS.<\/span><\/p>\n

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1.1 \u0110i\u1ec1u ki\u1ec7n bi\u00ean c\u1ee7a tr\u01b0\u1eddng d\u00f2ng nhi\u1ec7t trong bu\u1ed3ng pin<\/span><\/span><\/h2>\n

Tr\u01b0\u1eddng d\u00f2ng nhi\u1ec7t b\u00ean trong bu\u1ed3ng pin \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng tr\u01b0\u1eddng li\u00ean k\u1ebft nhi\u1ec7t ch\u1ea5t l\u1ecfng. C\u00e1c \u0111i\u1ec1u ki\u1ec7n truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp trong tr\u01b0\u1eddng d\u00f2ng, m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i thi\u1ebft l\u1eadp c\u00e1c \u0111i\u1ec1u ki\u1ec7n bi\u00ean cho tr\u01b0\u1eddng nhi\u1ec7t. C\u00e1c \u0111i\u1ec1u ki\u1ec7n bi\u00ean nh\u1eadp v\u00e0 xu\u1ea5t bao g\u1ed3m nhi\u1ec7t \u0111\u1ed9, v\u1eadn t\u1ed1c kh\u00f4ng kh\u00ed v\u00e0 \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed. \u0110\u1eb7t nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea7u v\u00e0o \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng l\u00e0 20 \u2103 v\u00e0 \u00e1p su\u1ea5t \u0111\u1ea7u ra \u1edf 0. T\u1ed1c \u0111\u1ed9 d\u00f2ng kh\u00ed l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 t\u1ea3n nhi\u1ec7t c\u1ee7a bu\u1ed3ng pin. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd nghi\u00ean c\u1ee9u t\u00e1c \u0111\u1ed9ng c\u1ee7a th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean v\u00e0 th\u00f4ng gi\u00f3 c\u01b0\u1ee1ng b\u1ee9c \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a pin. Do ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 nh\u1ecf gi\u1eefa bu\u1ed3ng v\u00e0 b\u00ean ngo\u00e0i v\u00e0 trao \u0111\u1ed5i nhi\u1ec7t nh\u1ecf v\u1edbi b\u00ean ngo\u00e0i, n\u00ean \u0111i\u1ec1u ki\u1ec7n bi\u00ean th\u00e0nh \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00e0 ranh gi\u1edbi \u0111o\u1ea1n nhi\u1ec7t nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i.<\/span><\/p>\n

1.2 Ph\u00e2n t\u00edch \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a pack pin lithium s\u1eaft phosphate<\/span><\/span><\/h2>\n

1) Trong \u0111i\u1ec1u ki\u1ec7n x\u1ea3 d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c \u1edf t\u1ed1c \u0111\u1ed9 1 C \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng 20 \u2103, nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a pack pin l\u00e0 32 \u2103, nhi\u1ec7t \u0111\u1ed9 t\u1ed1i thi\u1ec3u l\u00e0 26 \u2103 v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u00e0 6 \u2103. Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p nh\u1ea5t x\u1ea3y ra \u1edf r\u00eca c\u1ee7a pack pin. Nh\u1eefng v\u1ecb tr\u00ed n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u00f4ng gi\u00f3 t\u1ed1t, cho ph\u00e9p truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u \u0111\u1ee7 h\u01a1n; Nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t x\u1ea3y ra \u1edf v\u1ecb tr\u00ed l\u00f5i b\u00ean trong t\u1eebng pin. Do kh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i, d\u1eabn nhi\u1ec7t ch\u1ec9 c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o polyme v\u00e0 ch\u1ea5t \u0111i\u1ec7n ph\u00e2n b\u00ean trong pin, d\u1ec5 g\u00e2y t\u00edch t\u1ee5 nhi\u1ec7t. Do \u0111\u00f3, nhi\u1ec7t \u0111\u1ed9 \u1edf v\u1ecb tr\u00ed l\u00f5i cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi v\u1ecb tr\u00ed c\u1ea1nh<\/span><\/p>\n

2) Khi x\u1ea3 \u1edf t\u1ed1c \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i 2 C trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng l\u00e0 20 \u2103, nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a pack pin l\u00e0 43 \u2103, nhi\u1ec7t \u0111\u1ed9 t\u1ed1i thi\u1ec3u l\u00e0 31 \u2103 v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u00e0 12 \u2103. Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p nh\u1ea5t x\u1ea3y ra \u1edf r\u00eca c\u1ee7a pack pin, trong khi nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t x\u1ea3y ra \u1edf l\u00f5i b\u00ean trong c\u1ee7a t\u1eebng pin. Do ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 t\u1ed5ng th\u1ec3 b\u00ean trong pack pin v\u01b0\u1ee3t qu\u00e1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf (10 \u2103). N\u1ebfu s\u1eed d\u1ee5ng t\u1ed1c \u0111\u1ed9 x\u1ea3 2 C trong th\u1eddi gian d\u00e0i \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng, leo d\u1ed1c, t\u0103ng t\u1ed1c, v.v., s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a pin.<\/span><\/p>\n

2 <\/span>Th\u1eed nghi\u1ec7m nhi\u1ec7t<\/span><\/a><\/strong><\/span><\/h1>\n

Th\u00ed nghi\u1ec7m th\u1ef1c \u0111\u1ecba nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin lithium s\u1eaft phosphate cho xe \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 t\u1ea1i c\u00e1c \u0111i\u1ec3m \u0111i\u1ec3n h\u00ecnh c\u1ee7a c\u1ee5m pin. Ch\u00fang ta kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e2n b\u1ed1 nhi\u1ec7t \u0111\u1ed9 th\u1ef1c t\u1ebf v\u00e0 s\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pin lithium s\u1eaft phosphate. \u0110\u1ed3ng th\u1eddi, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3 t\u00ednh to\u00e1n m\u00f4 ph\u1ecfng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c minh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u th\u1ef1c nghi\u1ec7m. Cung c\u1ea5p c\u01a1 s\u1edf \u0111\u00e1ng tin c\u1eady cho thi\u1ebft k\u1ebf qu\u1ea3n l\u00fd nhi\u1ec7t c\u1ee7a c\u1ee5m pin.<\/span><\/p>\n

\u0110\u1ec3 \u0111o ch\u00ednh x\u00e1c nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf c\u1ee7a pack pin trong khoang pin \u1edf c\u00e1c t\u1ed1c \u0111\u1ed9 x\u1ea3 kh\u00e1c nhau. \u0110\u1ea7u c\u1ee7a c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u1ea7n \u0111\u01b0\u1ee3c d\u00e1n ch\u1eb7t v\u00e0o b\u1ec1 m\u1eb7t b\u00ean c\u1ee7a pack pin. \u0110\u1ec3 gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a l\u1ed7i \u0111\u1ecdc nhi\u1ec7t \u0111\u1ed9 m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn lu\u1ed3ng kh\u00f4ng kh\u00ed b\u00ean trong khoang pin.<\/span><\/p>\n

\u0110\u1eb7t m\u1ed9t c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1ea1i \u0111i\u1ec3m trung t\u00e2m A \u1edf b\u00ean h\u00f4ng c\u1ee7a pack pin. \u0110\u1eb7t m\u1ed9t c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1ea1i c\u1ea1nh B \u1edf b\u00ean h\u00f4ng c\u1ee7a pack pin. Ti\u1ebfn h\u00e0nh c\u00e1c th\u1eed nghi\u1ec7m x\u1ea3 \u1edf t\u1ed1c \u0111\u1ed9 x\u1ea3 1 C v\u00e0 2 C t\u01b0\u01a1ng \u1ee9ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a th\u00ed nghi\u1ec7m, 5 th\u1eed nghi\u1ec7m \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u1edf c\u00e1c t\u1ed1c \u0111\u1ed9 x\u1ea3 kh\u00e1c nhau v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t trung b\u00ecnh c\u00f9ng l\u00fac \u0111\u01b0\u1ee3c l\u1ea5y cho 5 th\u1eed nghi\u1ec7m.<\/span><\/p>\n

Qua so s\u00e1nh v\u00e0 ph\u00e2n t\u00edch k\u1ebft qu\u1ea3 th\u1ef1c nghi\u1ec7m v\u00e0 m\u00f4 ph\u1ecfng, c\u00f3 th\u1ec3 th\u1ea5y sai s\u1ed1 gi\u1eefa k\u1ebft qu\u1ea3 m\u00f4 ph\u1ecfng v\u00e0 k\u1ebft qu\u1ea3 th\u1ef1c nghi\u1ec7m n\u1eb1m trong ph\u1ea1m vi 8%, cho th\u1ea5y m\u00f4 h\u00ecnh m\u00f4 ph\u1ecfng pin lithium \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp trong b\u00e0i b\u00e1o n\u00e0y l\u00e0 ch\u00ednh x\u00e1c v\u00e0 th\u1ef1c t\u1ebf, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd nhi\u1ec7t c\u1ee7a pack pin.<\/span><\/p>\n

3 C\u1ea3i thi\u1ec7n qu\u1ea3n l\u00fd nhi\u1ec7t<\/span><\/strong><\/span><\/h1>\n

Xe \u0111i\u1ec7n c\u1ea7n x\u1ea3 d\u00f2ng \u0111i\u1ec7n cao c\u1ee7a pin trong qu\u00e1 tr\u00ecnh t\u0103ng t\u1ed1c, leo d\u1ed1c v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u00e1c. L\u00fac n\u00e0y, d\u00f2ng \u0111i\u1ec7n b\u00ean trong pack pin t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n v\u00e0 tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 b\u00ean trong pack pin c\u0169ng s\u1ebd thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3. Do \u0111\u00f3, c\u1ea7n ph\u1ea3i c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t c\u1ee7a pack pin hi\u1ec7n c\u00f3.<\/span><\/p>\n

H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd nhi\u1ec7t s\u1eed d\u1ee5ng kh\u00f4ng kh\u00ed l\u00e0m m\u00f4i tr\u01b0\u1eddng c\u00f3 c\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n, chi ph\u00ed th\u1ea5p v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u01a1n gi\u1ea3n h\u01a1n so v\u1edbi h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd nhi\u1ec7t s\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng l\u00e0m m\u00f4i tr\u01b0\u1eddng. H\u01a1n n\u1eefa, c\u00e1c kh\u00ed \u0111\u1ed9c h\u1ea1i ph\u00e1t sinh do nhi\u1ec1u l\u00fd do kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ea3i ra k\u1ecbp th\u1eddi, mang l\u1ea1i s\u1ef1 an to\u00e0n h\u01a1n. Do \u0111\u00f3, b\u00e0i vi\u1ebft n\u00e0y \u00e1p d\u1ee5ng th\u00f4ng gi\u00f3 c\u01b0\u1ee1ng b\u1ee9c \u0111\u1ec3 t\u1ea3n nhi\u1ec7t trong h\u1ec7 th\u1ed1ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ea3n nhi\u1ec7t t\u1ed1t, t\u1ed1c \u0111\u1ed9 t\u1ea1i c\u1eeda gi\u00f3 v\u00e0o c\u1ee7a h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf m\u1ee9c 30 m\/s. Th\u00f4ng qua t\u00ednh to\u00e1n m\u00f4 ph\u1ecfng ANSYS, ph\u00e2n b\u1ed1 tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pack pin c\u1ea3i ti\u1ebfn \u0111\u00e3 thu \u0111\u01b0\u1ee3c.<\/span><\/p>\n

Sau khi c\u1ea3i thi\u1ec7n qu\u1ea3n l\u00fd nhi\u1ec7t c\u1ee7a pack pin, ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a trong qu\u00e1 tr\u00ecnh x\u1ea3 \u1edf c\u00e1c t\u1ed1c \u0111\u1ed9 x\u1ea3 kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng. V\u00e0 t\u1ea5t c\u1ea3 \u0111\u1ec1u n\u1eb1m trong ph\u1ea1m vi cho ph\u00e9p. Khi pack pin \u0111\u01b0\u1ee3c x\u1ea3 \u1edf t\u1ed1c \u0111\u1ed9 1 C, nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a pin gi\u1ea3m 1 \u2103 m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o v\u1ec1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9;<\/span><\/p>\n

Khi pin x\u1ea3 \u1edf m\u1ee9c 2\u2103, nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a pin gi\u1ea3m 8\u2103 v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng c\u00f2n 8,5\u2103;<\/span><\/p>\n

Khi pin \u0111\u01b0\u1ee3c x\u1ea3 \u1edf m\u1ee9c 3 \u0111\u1ed9 C, nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a pin gi\u1ea3m xu\u1ed1ng m\u1ee9c cho ph\u00e9p v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 c\u0169ng gi\u1ea3m xu\u1ed1ng m\u1ee9c cho ph\u00e9p.<\/span><\/p>\n

Khi so s\u00e1nh, c\u00f3 th\u1ec3 th\u1ea5y nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pack pin c\u1ea3i ti\u1ebfn n\u1eb1m trong ph\u1ea1m vi cho ph\u00e9p. K\u1ebf ho\u1ea1ch c\u1ea3i ti\u1ebfn l\u00e0 kh\u1ea3 thi v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/p>\n

4 K\u1ebft lu\u1eadn<\/span><\/strong><\/span><\/h1>\n

B\u00e0i vi\u1ebft n\u00e0y l\u1ea5y m\u1ed9t lo\u1ea1i pin lithium s\u1eaft phosphate c\u1ee7a xe \u0111i\u1ec7n l\u00e0m \u0111\u1ed1i t\u01b0\u1ee3ng nghi\u00ean c\u1ee9u, thi\u1ebft l\u1eadp m\u00f4 h\u00ecnh m\u00f4 ph\u1ecfng c\u1ee7a n\u00f3 b\u1eb1ng ph\u1ea7n m\u1ec1m ANSYS v\u00e0 ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch m\u00f4 ph\u1ecfng. K\u1ebft qu\u1ea3 cho th\u1ea5y nhi\u1ec7t \u0111\u1ed9 x\u1ea3 cao nh\u1ea5t c\u1ee7a pin \u1edf t\u1ed1c \u0111\u1ed9 2C l\u00e0 43\u2103, v\u1edbi ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u00e0 12\u2103, v\u01b0\u1ee3t qu\u00e1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 cho ph\u00e9p l\u00e0 10\u2103.<\/span><\/p>\n

S\u1eed d\u1ee5ng l\u00e2u d\u00e0i c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a pin. Ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd nhi\u1ec7t c\u1ee7a pack pin \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 c\u1ee7a pack pin trong qu\u00e1 tr\u00ecnh x\u1ea3 \u1edf \u0111\u1ed9 ph\u00f3ng \u0111\u1ea1i 2 C v\u00e0 3 C \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u t\u1ea3n nhi\u1ec7t c\u1ee7a pack pin trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng, leo d\u1ed1c v\u00e0 t\u0103ng t\u1ed1c c\u1ee7a xe \u0111i\u1ec7n.<\/span><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Pack pin l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a xe \u0111i\u1ec7n, cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a xe v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a xe \u0111i\u1ec7n. C\u00f3 hi\u1ec7u su\u1ea5t an to\u00e0n \u0111\u00e1ng tin c\u1eady l\u00e0 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n \u0111\u1ed1i v\u1edbi pin \u0111i\u1ec7n \u0111\u01b0\u1ee3c<\/p>\n","protected":false},"author":1,"featured_media":19617,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19616","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-cong-nghe"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19616","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=19616"}],"version-history":[{"count":3,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19616\/revisions"}],"predecessor-version":[{"id":21928,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19616\/revisions\/21928"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19617"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}